STM32 MCUs Products

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Resolved! Firmware update failed (OTA/ADU)

Hi,We are working on a STM32 project based on sample_azure_iot_embedded_sdk_adu project. The board is B-L4S5I-IOT01A. At the moment, we are implementing the OTA. The board is able to download the firmware bin file, however it is stuck at the function...

SLiu.4 by Associate
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Resolved! STM32F407, SPI RXNE flag does not clear

I have an STM32F407 micro using the SPI. SPI is setup as a master at 1MHZ clock.I send a group of data (output only) which operates correctly. The SPI does not receive any useful data at this time. After the last byte has been sent out, I loop and wa...

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gahelton1 by Associate III
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Resolved! Racing adventure in OS

Hi,Master:Question 1:As shown in the figure below, why does the api read this variable with critical protection?Question 2:Suppose two tasks have write operations to shared variables. For example:int var; void task1(void) { OS_ENTER_CRITICAL(); ...

0693W00000GXyJiQAL.png
Lyu.1 by Associate III
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Resolved! Does the Murata Modem TYPE1SE have an STM32L462RE inside?

I believe it has an STM32L462RE inside as it says in the datasheet, however I was a little confused when I read the underlined sentence in the picture bellow. In the datasheet it says there is a M4 inside, however this sentence refers a M0. I just wa...

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SPere.2 by Associate III
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SPI Slave NSS Interrupt

We are using STM32H743 to implement SPI Slave. We would like to use NSS pin to hardware synchronize the beginning and end of our data packet, which is about 100 bytes long. The reason for that - the SPI wires are long and noisy and we would like to p...